
All-in One Indoor Units
Perfect solution for new buildings, or if the heating system needs to be replaced in its entirety, an indoor unit with a domestic hot water tank is required, combined with an outdoor unit with an appropriate output for the property’s needs. The indoor unit contains domestic hot water volume needed for the household along with backup heating. It is an interrated solution for both heating and hot water demands that saves on space and components.
Hydrobox with 250L DHW tank – Control system and back up electric heater with integrated hot water storage tank. Floor standing.
Hydrobox with 100L DHW tank – Control system and back up electric heater with integrated hot water storage tank. Wall mounted.
Gas Boiler Replacer
The 100-liter unit is designed for easy replacement of existing gas boilers. It’s similar size makes the exchange simple, and the unit is prepared for wall mounting, just like many gas boilers. With its capacity of stored domestic hot water, it can be sufficient even for a household of four people.

Indoor Units for Hybrid Systems
Designed to operate seamlessly in hybrid systems alongside all kinds of heating systems, our tankless, dockable indoor units offer a perfect solution to modernize, and improve the efficiency of an existing system with an existing water volume.
You can pair the indoor unit with an outdoor unit that matches the property’s needs, while the heat pump control is conveniently located within the indoor unit. If your existing boiler is still functional, you can keep it as a backup, ensuring enhanced reliability and flexibility. The indoor unit can also be combined with any type of tank solution you prefer.
Control Box (ES MCB)
- Basic module with a control system
- For hybrid systems
- Can be combined with any type of tank solution
Hydro Box (ES MHB)
- Basic module with control system and back-up electric heater
- For hybrid systems
- Can be combined with any type of tank solution
- Wall mounted

Wireless Thermostat Kit
The wireless thermostat for the R290 series is easy to install anywhere in your home. It features in intuitive screen, child lock, and long battery life for hassle-free temperature management.
Take full control of your ES M R290 heat pump with seamless wireless connectivity.
Key benefits:
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Includes Wireless Thermostat + RF Gateway
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Fast, reliable connection via indoor unit
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Easy installation with clear signal indicators
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Option to add a second thermostat for dual-zone temperature control (up to 2 per system)
Key Features
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Eco-friendly refrigerant
Global Warming Potential (GWP) of only 3
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Modular & Scalable Design
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Easy installation & Commissioning
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Remote Monitoring & Digital Control
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Compatible with large external DHW tanks
Specifications
Heating Solutions for Every Home
| INDOOR UNIT | DHW TANK | BUFFER TANK | 8 KW | 12 KW | 15 KW |
| 100 litre | 100 litre | Recommended | ✔️ | ✔️ | |
| 250 litre | 250 litre | Recommended | ✔️ | ✔️ | ✔️ |
| Control Box | Recommended* | Recommended | ✔️ | ✔️ | ✔️ |
| Hydro Box | Recommended* | Recommended | ✔️ | ✔️ | ✔️ |
| *If the installation requires domestic hot water |
Product Info
Product Brochure
More Product Information
Compatibility Overview
| INDOOR UNIT | COMPATIBLE OUTDOOR UNITS | DHW TANK | UNIQUW BENEFIT |
| Control box | ES M R290 8, 12 and 15 kW | No | Flexible and energy efficient |
| Hydro box | ES M R290 8, 12 and 15 kW | No | Flexible and energy efficient |
| Hydro box + 100L tank | ES M R290 8 and 12 kW | Yes | For normal household needs |
| Hydro box + 250L tank | ES M R290 8, 12 and 15 kW | Yes | For larger homes or higher usage |